How to Change Tire Size in FORScan | Ford Ranger Raptor Speedometer & Transmission Fix

If you’ve installed larger tires on your Ford Ranger Raptor (35s or similar), your speedometer, shifting, and transmission behavior can be off. In this video, I show you a general step-by-step how to change tire size using FORScan so your Ranger Raptor drives correctly again. My tires landed at 2700mm that was about perfect on the GPS! Drop a comment if you’ve got questions about: Ranger Raptor lift kits Tire size and wheel offset Ride quality or long-term durability References: Tire Size Calc: https://tiresize.com/calculator/ Tire Size Change: https://forscan.org/forum/viewtopic.php?t=15994 Steps in Order (FORScan will prompt “Save on Startup” → select HIT SAVE): Step 1:Change Tire Circumference Step 2: Run PCM Module Init/Re-learn Procedure Step 3: Run AWS Module Init/Re-learn Procedure Note: Some tweaking may need to be done if your MPH is slightly off. Disclaimer: I’m not a mechanic. Any modifications or procedures you perform on your vehicle are at your own risk. 🔥Raptor Build🔥 For Ranger Lifts: 2/1 Strut Spacer https://fordrangerlifts.com/ Tires: 35X12.50R17 Toyo Open Country R/T Trail Wheels: Bronco Sasquatch Wheels +30mm Offset ScreenProtech: ✅ Ranger Raptor Link:https://screenprotech.com/products/ford-ranger-screen-protech-kit?sca_ref=4413474.xL58BSNnls (Discount Code: JT4X4 for 15% Off) Front Grill "R": https://www.etsy.com/listing/4354510174/?ref=share_ios_native_control Rear "R" Inlay: https://www.etsy.com/listing/1884980256/?ref=share_ios_native_control Red Hook Covers: https://www.etsy.com/listing/1857274356/?ref=share_ios_native_control Rear "RANGER" Vinyl: https://ebay.us/m/8n7z1B Rear Vent Extenders (confirmed fit): https://amzn.to/4i7GKxq Novsight Cyber 1 PODS: https://www.novsights.com/products/3-inch-led-pod-fog-flood-spot-drive-light-cube-off-road-auxiliary-light?ref=g8pge211&variant=43063638327533 POD Mounts: https://amzn.to/3JPET3B 📲 **Follow Me for More Off-Road Content** Instagram: JT4x4OFFROADING (https://www.instagram.com/JT4x4OFFROADING) TikTok: JT4x4OFFROADING (https://www.tiktok.com/@jt4x4offroading) 📩 For inquiries & collaborations: jessatravis07@gmail.com 💡 **Sponsored Gear & Discounts** --- 🛒 **Check Out Our Amazon Storefront** ✅ Amazon Storefront – Gear I Recommend (https://www.amazon.com/shop/influencer-042061d1?ref_=cm_sw_r_cp_ud_aipsfshop_0ZD49SW2T29CA3S922AA) --- 🔥 **NOVSIGHT POD Lights** — 20% OFF Code: JT4X4OFFROADING 👉 Get 20% Off at Novsight (https://www.novsights.com/discount/JT4X4OFFROADING?ref=g8pge211) 🔹 3” HALO LED Pods (https://www.novsights.com/products/halo-series-3-led-pods-twin-light-kit?ref=g8pge211&variant=44400054993133) 🔹 X Series 4” Pods (Amazon) (https://amzn.to/3Zafwgh) --- 📱 **SCREENPROTECH – Screen Protectors** 🔹 Full Product Site https://screenprotech.com/?sca_ref=4413474.xL58BSNnls&utm_source=aff_travis-darling&utm_medium=social&utm_campaign=affiliate Discunt Code: JT4X4 --- 🔦 **LASFIT – 15% OFF Code: `Jessa & Travis` ✅ LASFIT Website (https://lddy.no/1i0iy) --- 🛠️ **Support the Channel** I'm part of the Amazon Associates program. If you use the links above, I earn a small commission—**at no extra cost to you**. It helps keep content coming. Thanks for supporting the channel! #ford #FordRangerRaptor #RangerRaptor2025 #FordRaptor #BuiltFordTough #FordPerformance #OffRoad #4x4 #Overlanding #TruckMods #TruckReview #RaptorNation #JT4X4Offroading #TrailReady #BajaMode #AdventureTruck #RangerRaptorReview #TruckLife #OffRoadAdventure #fordtrucksr